β-基酸盐和酸盐合成酶作为与衰老相关的心房的潜在诊断生物标志物
Jia-Kang He1, Xiao-Xiao Jiang1, Shi-Yu Dai1
1Department of Cardiology, First Affiliated Hospital of Dalian Medical University, No.193, Lianhe Road, Xigang District, Dalian, 116011, China.
Journal of cardiovascular translational research
|November 5, 2024
概括
老龄化增加了心房动 (AF) 的风险. 老年AF患者降低β-基酸盐 (β-OHB) 和酸盐合成酶 (CS) 活性表明线粒体功能障碍和心房重塑,可能作为与年龄相关的AF的生物标志物.
科学领域:
- 生物化学 生物化学
- 心脏病学 心脏病学
- 老年学是指老年学的学科.
背景情况:
- 心房的发病率随着年龄的增长而上升,但老年患者的潜在机制和有效生物标志物尚未完全理解.
- 衰老是AF的重要风险因素,需要对年龄特定的病理途径进行研究.
- 确定可靠的生物标志物对于老龄化人口中AF的管理至关重要.
研究的目的:
- 调查β-基酸盐 (β-OHB) 和酸盐合成酶 (CS) 活性在与年龄相关的心房动 (AF) 中的作用.
- 探索老年AF患者的代谢因素,线粒体功能和心房重塑之间的关联.
- 在老年人中确定AF的潜在诊断生物标志物.
主要方法:
- 分析了来自100名老年AF患者,100名年轻NAF患者和100名老年NAF患者的血样本.
- 在血样本中评估酸盐合成酶 (CS) 活性.
- 对AF和NAF患者的左心房组织进行检查,这些患者因线粒体功能障碍和结构重塑而接受门置换.
主要成果:
- 与老年NAF患者相比,老年AF患者表现出明显较低的β-OHB水平和降低的CS活性.
- 在较高的β-OHB水平和CS活性之间发现了保护性关联,以及老年人中AF的发生.
- 来自老年AF患者的心房组织显示了线粒体功能障碍,结构重塑和低压区域的证据.
结论:
- β-OHB和CS活动的失调可能会通过影响线粒体功能和心房重塑来促进与衰老相关的AF.
- β-OHB和CS活性显示出与年龄相关的心房动的诊断生物标志物的潜力.
- 针对线粒体功能障碍和代谢途径可能为老年AF患者提供新的治疗策略.
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